Stainless steel material: Thick and delicate texture. Sturdy and not easy to break, easy to clean, not easy to hide dirt. Removable main rod: Rubber-wrapped coffee handle, Effectively reduce noise and buffer, knock grounds quietly. Coffee grounds knocking bucket. Removable for cleaning, deep bowl design, optional styles. Give you a different experience . Stainless steel material/easy to clean/bevel design/anti-slip bottom. Humanized deep bowl bevel design, Effectively prevent coffee grounds from splashing, making knocking more convenient and relaxed. Anti-slip rubber pad at the bottom is placed stably. Reduce the movement and vibration of the when knocking grounds, more stable when using.